PFA (perfluoroalkoxy) tubing is used in low‑pressure chromatography and laboratory applications where chemical inertness, clarity, flexibility, and higher temperature tolerance are required. This tubing is commonly installed before the injector, after the detector, at mobile‑phase inlets, and on “to‑waste” lines in HPLC systems, as well as in low‑pressure LC and auxiliary laboratory workflows.
All MICROSOLV™ PFA tubing is manufactured from virgin, high‑purity PFA resin and is intended for solvent handling and fluid paths where metal‑free construction and reduced permeability are desirable.
Why Choose PFA Tubing
PFA tubing offers many of the chemical resistance benefits of PTFE while reducing permeability and improving temperature capability. It is often selected when solvent stability, clarity, and thermal resistance are more critical than cost.
Key characteristics include:
Extruded from virgin PFA with no additives in the base material
Lower permeability than PTFE tubing
Significantly fewer micro‑pores in the tubing wall compared to PTFE
Excellent chemical inertness
Flexible and easy to route in low‑pressure systems
Because of its structural characteristics, PFA tubing is well suited for solvent‑handling applications where gas permeation or solvent loss must be minimized.
Temperature & Pressure Considerations
PFA tubing is designed for low‑pressure applications but offers higher temperature tolerance than other low‑pressure polymeric tubing options.
Maximum recommended operating temperature: 260 °C
Operating within temperature limits helps maintain mechanical integrity and long‑term performance.
Dimensional Tolerances
PFA tubing is manufactured to controlled tolerances appropriate for low‑pressure chromatography applications:
1/16″ OD tubing: ± 0.05 mm
1/8″ OD tubing: ± 0.10 mm
These tolerances support consistent fitting engagement and predictable flow performance.
Purity & Manufacturing Control
All MICROSOLV™ PFA tubing:
Is produced from virgin fluoropolymer resin
Contains no fillers or performance‑altering additives
Uses color only for external identification, when applicable
This ensures predictable chemical behavior and compatibility with analytical workflows.
Typical Applications
PFA tubing is commonly used for:
Low‑pressure HPLC solvent handling
Mobile‑phase inlet lines
Post‑detector waste lines
Applications requiring higher temperature tolerance
Situations where reduced permeability is important
Specifications
👉 View polymeric tubing specifications and available sizes
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